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and sterilization in chemistry and biology laboratories
Compact linen-tester magnifier folding flat into a metal frame
field lines
sized so students don't switch between two hand tools while preparing leads for student-built bench circuits
and general chemistry procedures
Premium 15-Piece Identified Mineral Collection with 4.5x Hand Lens Density_Density Sets and sterilization in chemistry andFifteen hand picked identified mineral specimens ship with a 4. 5x hand lens for detailed classroom mineralogy identification and hardness testing.
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